date       RIR       IPv4 adoption   IPv6 adoption
20220220   arin       0.2350          0.2012
20220220   ripencc    0.5128          0.3371
20220220   apnic      0.2755          0.2250
20220220   afrinic    0.1778          0.0613
20220220   lacnic     0.3902          0.4270